慢性阻塞性肺疾病 (chronic obstructive pulmonarydisease,COPD)呼吸衰竭患者为罹患肺结核的高危人群 [1 ] ,二者合并存在时 ,肺结核临床表现常被掩盖 ,故极易漏诊或误诊。本文报告 1981～ 1999年收治的 31例 COPD呼吸衰竭合并活动性肺结核的临床特点 ,并分析 COPD呼吸衰竭合 Patients with chronic obstructive pulmonary disease (COPD) respiratory failure are at high risk for developing tuberculosis [1]. When the two are combined, the clinical manifestations of tuberculosis are often masked, making them extremely misdiagnosed or misdiagnosed. This article reports from 1981 to 1999 admitted 31 cases of COPD respiratory failure combined with active tuberculosis clinical features and analysis of COPD respiratory failure combined